One 2008 study, for instance, analyzed 16 papers
investigating publication bias in randomized clinical trials and found clear indications of selective publication.
Not exact matches
Where there were 10 or more studies in the meta - analysis, we
investigated reporting
biases (such as
publication bias) using funnel plots.
To
investigate the possibility of reporting
biases, including
publication bias, we will draw funnel plots (Egger 1997; Sterne 2011).